• Tonight

    Sep 19

    Lo 59°

    Some clouds; breezy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Sep 20

    77°Lo 56°

    Heavy thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Sep 21

    68°Lo 45°

    Clouds breaking and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    69°Lo 46°

    Times of sun and clouds

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Tue

    Sep 23

    73°Lo 49°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 59° 62° 64° 66° 67° 68° 67° 66°
RealFeel® 52° 58° 62° 64° 65° 67° 66° 64°
Humidity 80% 73% 67% 62% 58% 55% 55% 56%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 13 NW 12 NW 13 NW 15 NW 16 NW 14 NW 13 NW 12 NW
UV Index 1 2 3 4 4 4 4 2
Cloud Cover 76% 76% 76% 76% 76% 28% 26% 26%
Dew Point 52° 53° 53° 53° 52° 52° 50° 50°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 68° 72° 87° (1994) 66°
Low 45° 50° 32° (1991) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:14 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:12 AM with 13:19 of moolight, then sets at 5:31 PM

Top Story

Marengo Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 19, 2014; 4:58 PM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

Sun. Dust & Dander

Sun. Wind Maps